E. Zherebtsova, V. Klochkov, I. Selyuzhenkov, A. Taranenko, and E. Kashirin, “Procedure for Event Characterization in Pb-Pb Collisions at 40A GeV in the NA49 Experiment at the CERN SPS”, KEn, vol. 3, no. 1, pp. 275–279, Apr. 2018.